OpenTechnical

OT-2026-000027203

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000027203) never changes.

Identity and time

Publication numberOT-2026-000027203 · never reused
Internal UUID01a0ae72-3454-7c41-9a94-3d6608023b96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027203
StatusPUBLIC

Content hashes

Canonical text0502e55a91ed6974dd66cf0e3d7154bd825de80fc885eeeb3cb0d6ab7d554e04
Markdown416ba178833a2f34d695188349c4abf1a21e6c3e218eae873a10ab30838dc043
PDF
Publication page04d17224c417e443c8f5bde37aa463b6a19cd73339c0edc36a29754f793d623d
Manifest58662949ed18d97cb12d3f92faa2b0d7a051db47b7714b249563b3590c012779

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureZg+lFtDwVxjPBRPyzUgp9jKbNAzrYGloZCSJ6GcRmam6ICd4G78iv1yt2rSm6dD5u44KnKi+34fuUdmk1D5bCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:44:05.571742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027203
observed 04d17224c417e443c8f5bde37aa463b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.554750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027203/manifest.json
observed 58662949ed18d97cb12d3f92faa2b0d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.539684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027203/publication.md
observed 416ba178833a2f34d695188349c4abf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.520861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027203/publication.txt
observed 0502e55a91ed6974dd66cf0e3d7154bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.